Sink



FIG. 1 is a perspective view taken from the top, front and right side of a sink showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view taken on line 3--3 of FIG. 2;

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 2;

FIG. 5 is an enlarged fragmentary cross-sectional view taken on line 5--5 of FIG. 2; and,

FIG. 6 is an enlarged fragmentary cross-sectional view taken on line 6--6 of FIG. 2.

The broken line representation of holes and the fragmentary broken line representation of a countertop in FIG. 1 are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a sink, as shown and described. 